In this course you will learn how to design the type of training that takes advantage of the plastic nature of the athlete’s body so you mold the right phenotype for a sport. We explore ways the muscular system can be designed to generate higher force and power and the type of training needed to mold the athlete's physical capacity so it meets the energy and biochemical demands of the sport.
We also examine the cost of plasticity when it is carried beyond the ability of the body to adjust itself to meet the imposed training stresses. The cost of overextending plasticity comes in the form injuries and chronic fatigue. In essence, a coach can push the athlete’s body too far and it can fail. Upon completion of this course you will be able to assemble a scientifically sound annual training plan.

Revisiones

SK

This course gives a basic understanding of how to train the athletes in a right approach without overlaoding and injury

NF

Jun 23, 2019

Filled StarFilled StarFilled StarFilled StarFilled Star

its very very understandable and i really gain a lot from it please keep the work.thanks

De la lección

Acute fatigue during training and competition

Fatigue is a phenomenon we all experience. It is characterized by tiredness and the desire to rest. Whether the athlete likes it or not, fatigue serves a protective function. It is both cognitive and physical in nature. In this topic you are introduced to the science of acute fatigue due to training and competition. With rest, acute fatigue dissipates and the body becomes stronger. You will learn about important fatigue theories, and the factors believed to contribute to fatigue such as low fuel supplies, acidity and body temperature.

Impartido por:

Dr. Chris Brooks

Instructor

Transcripción

In medicine, fatigue is defined as an abnormal state of physical or mental exhaustion. The patient constantly feels tired and lacks energy. Fatigue has two dimensions to it. It has the mental dimension, and it has a physical dimension. Mental fatigue affects the alertness and ability to quickly retrieve information stored in memory that's needed to perform a skill. Absolute physical fatigue is the point at which the athlete cannot continue with the physical task. Both mental and physical fatigue are associated with the decline in the athlete's performance. Now, this is a commonly recognized working definition of fatigue associated with sports training. It is a general sensation of tiredness associated with decrements in muscular performance and function. So you got the sensation of being tired. And then you also have a decline in muscular performance. And this graphic here summarizes the factors contributing to the athlete's experience with fatigue. Inadequate sleep, poor physical condition and interruption of the circadian rhythm can lead to many symptoms of fatigue. Now, in terms of circadian rhythm, there's a biological clock that regulates the timing of periods of sleepiness with wakefulness throughout the day. The circadian biological clock is controlled by a group of cells in the hypothalamus that respond to light and dark signals. The circadian disruptions can occur when the circadian rhythm is disrupted by long and irregular hours. And because of this, it's really important for the athlete to have a regular sleep schedule. Characteristics of the training conditions and the training session also contribute to an athlete's fatigue. Weather and temperature can make conditions for training more challenging and lead to early onset of fatigue. The training session itself is designed to induce fatigue through variation of load and intensity. Our focus in these upcoming four lessons of this particular topic is on acute fatigue induced during training and competition. We will discuss long-term chronic fatigue in the next topic when we address overtraining. Okay, so here's the familiar super compensation curve. The athlete's current performance is the red dotted line. Warm up effect on performance is shown so as to improve physiological working capacity. And that's the reason you see that little blip there. Training induces fatigue. And performance will gradually decline as a result, throughout the training session, as fatigue accumulates. When the training session ends, the athlete's body recovers and returns back to homeostasis. And then you have the supercompensation, or training effect. Training induced fatigue is an acute effect in response to intense physical demands. An acute effect is a term used to describe a temporary effect. Acute fatigue due to exposure to a training stimulus causes an accumulation of fatigue, resulting in a gradual, temporary decline in the body's ability to function. Fatigue symptoms subside when exposure to the training stimulus stops. And the athlete's physiology returns to normal homeostasis. Now chronic fatigue is entirely different, it occurs when there is insufficient time for the body to return to homeostasis and fatigue does not subside. The symptoms continue through several training sessions and can lead to serious health consequences.